452992540 has 240 divisors, whose sum is σ = 1363642560. Its totient is φ = 122664960.

The previous prime is 452992481. The next prime is 452992543. The reversal of 452992540 is 45299254.

It is a junction number, because it is equal to n+sod(n) for n = 452992493 and 452992502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452992543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26646612 + ... + 26646628.

It is an arithmetic number, because the mean of its divisors is an integer number (5681844).

Almost surely, 2^452992540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452992540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681821280).

452992540 is an abundant number, since it is smaller than the sum of its proper divisors (910650020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452992540 is a wasteful number, since it uses less digits than its factorization.

452992540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 452992540 is about 21283.6214023836. The cubic root of 452992540 is about 768.0043560770.

The spelling of 452992540 in words is "four hundred fifty-two million, nine hundred ninety-two thousand, five hundred forty".